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773895-85-5

bis(pentamethylcyclopentadienyl)dizinc is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 773895-85-5 Structure

  • Basic information

    1. Product Name: bis(pentamethylcyclopentadienyl)dizinc
    2. Synonyms:
    3. CAS NO:773895-85-5
    4. Molecular Formula:
    5. Molecular Weight: 401.238
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 773895-85-5.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: bis(pentamethylcyclopentadienyl)dizinc(CAS DataBase Reference)
    10. NIST Chemistry Reference: bis(pentamethylcyclopentadienyl)dizinc(773895-85-5)
    11. EPA Substance Registry System: bis(pentamethylcyclopentadienyl)dizinc(773895-85-5)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 773895-85-5(Hazardous Substances Data)

773895-85-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 773895-85-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,3,8,9 and 5 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 773895-85:
(8*7)+(7*7)+(6*3)+(5*8)+(4*9)+(3*5)+(2*8)+(1*5)=235
235 % 10 = 5
So 773895-85-5 is a valid CAS Registry Number.

773895-85-5Relevant articles and documents

Theoretical and synthetic studies on [Zn2(η5- C5Me5)2]: Analysis of the Zn-Zn bonding interaction

Del Rio, Diego,Galindo, Agustin,Resa, Irene,Carmona, Ernesto

, p. 1244 - 1247 (2005)

More than 1 g of the dizinc compound [Zn2(η5- C5Me5)2] can be readily obtained in a single preparation. Density functional calculations reveal that the Zn-Zn bond is relatively strong and derives mainly from interaction between the Zn 4 s orbitals (see picture).

Zinc-zinc bonded zincocene structures. Synthesis and characterization of Zn2(η5-C5Me5)2 and Zn2(η5-C5Me4Et)2

Grirrane, Abdessamad,Resa, Irene,Rodriguez, Amor,Carmona, Ernesto,Alvarez, Eleuterio,Gutierrez-Puebla, Enrique,Monge, Angeles,Galindo, Agustin,Del Rio, Diego,Andersen, Richard A.

, p. 693 - 703 (2007/10/03)

While, in general, decamethylzincocene, Zn(C5Me 5)2, and other zincocenes, Zn(C5Me 4R)2 (R = H, But, SiMe3), react with dialkyl and diaryl derivatives, ZnR′2, to give the half-sandwich compounds (η5-C5Me4R) ZnR′, under certain conditions the reactions of Zn(C5Me 5)2 with ZnEt2 or ZnPh2 produce unexpectedly the dizincocene Zn2(η5-C 5Me5)2 (1) in low yields, most likely as a result of the coupling of two (η5-C5Me 5)Zn. radicals. An improved, large scale (ca. 2 g) synthesis of 1 has been achieved by reduction of equimolar mixtures of Zn(C 5Me5)2 and ZnCl2 with KH in tetrahydrofuran. The analogous reduction of Zn(C5Me 4R)2 (R = H, SiMe3, But) yields only decomposition products, but the isotopically labeled dimetallocene 68Zn2(η5-C5Me5) 2 and the related compound Zn2(η5-C 5Me4Et)2 (2) have been obtained by this procedure. Compound 2 has lower thermal stability than 1, but it has been unequivocally characterized by low-temperature X-ray diffraction studies. As for 1 a combination of structural characterization techniques has provided unambiguous evidence for its formulation as the Zn-Zn bonded dimer Zn 2(η5-C5Me4Et)2, with a short Zn-Zn bond of 2.295(3) A indicative of a strong Zn-Zn bonding interaction. The electronic structure and the bonding properties of 1 and those of related dizincocenes Zn2(η5-Cp′)2 have been studied by DFT methods (B3LYP level), with computed bond distances and angles for dizincocene 1 very similar to the experimental values. The Zn-Zn bond is strong (ca. 62 kcal-mol-1 for 1) and resides in the HOMO-4, that has a contribution of Zn orbitals close to 60%, consisting mostly of the Zn 4s orbitals (more than 96%).

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